kernel.patch

diff -ruN a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
--- a/drivers/mfd/intel-lpss.c  2019-11-20 20:41:11.000000000 +0100
+++ b/drivers/mfd/intel-lpss.c  2019-11-21 14:53:42.643199518 +0100
@@ -395,8 +395,8 @@
    if (!lpss)
        return -ENOMEM;

-   lpss->priv = devm_ioremap(dev, info->mem->start + LPSS_PRIV_OFFSET,
-                 LPSS_PRIV_SIZE);
+   lpss->priv = devm_ioremap_uc(dev, info->mem->start + LPSS_PRIV_OFFSET,
+                 LPSS_PRIV_SIZE);
    if (!lpss->priv)
        return -ENOMEM;

diff -ruN a/include/linux/io.h b/include/linux/io.h
--- a/include/linux/io.h    2019-11-20 20:41:11.000000000 +0100
+++ b/include/linux/io.h    2019-11-21 14:54:14.855593598 +0100
@@ -64,6 +64,8 @@

 void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
               resource_size_t size);
+void __iomem *devm_ioremap_uc(struct device *dev, resource_size_t offset,
+                  resource_size_t size);
 void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
                   resource_size_t size);
 void __iomem *devm_ioremap_wc(struct device *dev, resource_size_t offset,
diff -ruN a/lib/devres.c b/lib/devres.c
--- a/lib/devres.c  2019-11-20 20:41:11.000000000 +0100
+++ b/lib/devres.c  2019-11-21 14:55:36.996598780 +0100
@@ -9,6 +9,7 @@
 enum devm_ioremap_type {
    DEVM_IOREMAP = 0,
    DEVM_IOREMAP_NC,
+   DEVM_IOREMAP_UC,
    DEVM_IOREMAP_WC,
 };

@@ -39,6 +40,9 @@
    case DEVM_IOREMAP_NC:
        addr = ioremap_nocache(offset, size);
        break;
+   case DEVM_IOREMAP_UC:
+       addr = ioremap_uc(offset, size);
+       break;
    case DEVM_IOREMAP_WC:
        addr = ioremap_wc(offset, size);
        break;
@@ -69,6 +73,21 @@
 EXPORT_SYMBOL(devm_ioremap);

 /**
+ * devm_ioremap_uc - Managed ioremap_uc()
+ * @dev: Generic device to remap IO address for
+ * @offset: Resource address to map
+ * @size: Size of map
+ *
+ * Managed ioremap_uc().  Map is automatically unmapped on driver detach.
+ */
+void __iomem *devm_ioremap_uc(struct device *dev, resource_size_t offset,
+                 resource_size_t size)
+{
+   return __devm_ioremap(dev, offset, size, DEVM_IOREMAP_UC);
+}
+EXPORT_SYMBOL(devm_ioremap_uc);
+
+/**
  * devm_ioremap_nocache - Managed ioremap_nocache()
  * @dev: Generic device to remap IO address for
  * @offset: Resource address to map